// Learn TypeScript:
//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html

const { ccclass, property } = cc._decorator;

@ccclass
export default class ShakeComp extends cc.Component {

    @property
    time: number = 0.2;

    @property
    angle: number = 10;

    @property
    duration: number = 1;

    start() {
        cc.tween(this.node).repeatForever(
            cc.tween(this.node).
                by(this.time, { angle: this.angle })
                .by(this.time, { angle: -this.angle * 2 })
                .by(this.time, { angle: this.angle }).to(this.duration, {})
        ).start()
    }


}
